ArticleThe American journal of tropical medicine and hygiene2025
Prevalence and Antimicrobial-Resistant Campylobacter jejuni and Campylobacter coli in Free-Range Chickens in Northwest Ethiopia.
Article in The American journal of tropical medicine and hygiene, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Antimicrobial use and resistance profiles of Escherichia coli and Campylobacter species from small-scale poultry farms in Central Kenya.BMC veterinary research · 2026Article
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9 authors.
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Abstract
Campylobacter enteritis is the most common bacterial foodborne disease in humans. Long-term use of antibiotics in chicken production may result in antimicrobial resistance in Campylobacter strains. Information on the antimicrobial resistance profile of Campylobacter species among free-range chickens in Ethiopia is scarce. Hence, this study aimed to determine the prevalence and antimicrobial resistance of Campylobacter jejuni and Campylobacter coli among free-range chickens in Amhara National Regional state, northwest Ethiopia from November 1, 2022 to April 30, 2023. Cloacal swabs were collected from free-range backyard chickens, directly inoculated onto modified charcoal cefoperazone deoxycholate agar, and incubated at reduced O2 concentration at 42°C for 48 hours. Suspected colonies were confirmed at the species level using matrix-assisted laser desorption ionization time-of-flight mass spectrometry. The associated factors were analyzed using the Fisher exact test. A P <0.05 at 95% CI was considered statistically significant. Among the 286 cloacal samples, 15.0% (n = 43/286; CI: 10.2-19.5) were positive for Campylobacter species. C. jejuni (60.5%) was more frequent than C. coli (39.5%). Of the total isolates, 62.8% (n = 27/43), 51.2% (n = 22/43), and 16.3% (n = 7/43) of the Campylobacter species were resistant to tetracycline, ciprofloxacin, and erythromycin, respectively. Of the total Campylobacter species isolates, 9.3% (n = 4/43) were multidrug resistant. Campylobacter species resistance to tetracycline and ciprofloxacin was high in general among backyard chickens. Multidrug-resistant Campylobacter species were also identified, and they require special attention to prevent the potential dissemination of the strains to humans in the community.
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